. Author manuscript; available in PMC: 2014 Jan 7.

Published in final edited form as: Phys Med Biol. 2010 Sep 21;55(19):10.1088/0031-9155/55/19/023. doi: 10.1088/0031-9155/55/19/023

Table 2.

Magnetic properties

Sample	Blocking Temperature (K)	Frequency of maximum AC loss (Hz)	Observed Moment/kg^a (J/T/ kg[Fe₃O₄])	Saturation Magnetization^b (J/T/kg[Fe₃O₄])
SHP-20	255	300	0.31	67.3
SHP-25	329	0.1	2.90	85.0
SHP-30	290	3.0	0.83	51.1
SHP-35	374	--	0.32	67.9

measured by SQUID relaxometry using a 3.8 mT, 0.30 s magnetizing pulse

measured by DC susceptometry